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Cloud [144]
3 years ago
7

Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The p

resence of these organelles tells you that the environment is what to the protozoan?
Biology
1 answer:
Ann [662]3 years ago
6 0

Answer:

Liquid and with a higher osmotic pressure

Explanation:

Remember that a cell that is surrounded by an environment with a higher osmotic pressure, will produce that the cell get some water outside to make some dilution to the salt concentration that surrounds the protozoan.

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GaryK [48]

Answer and Explanation:

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Vitamin D has the sun as its major source, but it can also be found in fish, seafood, liver, mushrooms and meat. It is important for the growth and strengthening of bones, growth regulation, metabolism, insulin production and strengthening of the cardiovascular, muscular and immune systems. Its deficiency can provoke muscular and bone pains, spasms, intense weakness and calcium deficiency.

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